scholarly journals Concise synthesis of the pyruvic acid acetal containing pentasaccharide repeating unit of the cell wall O-antigen of Escherichia coli O156

RSC Advances ◽  
2017 ◽  
Vol 7 (79) ◽  
pp. 49903-49909 ◽  
Author(s):  
Anshupriya Si ◽  
Anup Kumar Misra
Keyword(s):  
Escherichia Coli ◽  
Cell Wall ◽  
Pyruvic Acid ◽  
O Antigen ◽  
Satisfactory Yield ◽  
Pyruvic Acid Acetal

The pentasaccharide repeating unit of the cell wall O-antigen ofEscherichia coliO156 containing 4,6-O-(R)-pyruvate acetal was synthesized using stereoselective [2 + 3] block glycosylation in satisfactory yield.

Structure and gene cluster of the O-antigen of Escherichia coli O156 containing a pyruvic acid acetal

2016 ◽  
Vol 430 ◽  
pp. 24-28 ◽  
Author(s):  
Zhifeng Duan ◽  
Sof'ya N. Senchenkova ◽  
Xi Guo ◽  
Andrei V. Perepelov ◽  
Alexander S. Shashkov ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Gene Cluster ◽  
Pyruvic Acid ◽  
O Antigen ◽  
Pyruvic Acid Acetal

A mannitol teichoic acid containing rhamnose and pyruvic acid acetal from the cell wall of Brevibacterium permense VKM Ac-2280

2003 ◽  
Vol 338 (23) ◽  
pp. 2745-2749 ◽  
Author(s):  
Natalia V Potekhina ◽  
Alexander S Shashkov ◽  
Lyudmila I Evtushenko ◽  
Sof'ya N Senchenkova ◽  
Irina B Naumova
Keyword(s):  
Cell Wall ◽  
Pyruvic Acid ◽  
Teichoic Acid ◽  
Pyruvic Acid Acetal

Convergent synthesis of a hexasaccharide corresponding to the cell wall O-antigen of Escherichia coli O41

RSC Advances ◽  
2014 ◽  
Vol 4 (1) ◽  
pp. 54-60 ◽  
Author(s):  
Tamashree Ghosh ◽  
Abhishek Santra ◽  
Anup Kumar Misra
Keyword(s):  
Escherichia Coli ◽  
Cell Wall ◽  
Convergent Synthesis ◽  
O Antigen

Linear synthesis and conformational analysis of the pentasaccharide repeating unit of the cell wall O-antigen of Escherichia coli O13

2014 ◽  
Vol 391 ◽  
pp. 9-15 ◽  
Author(s):  
Abhishek Santra ◽  
Anshupriya Si ◽  
Rajiv Kumar Kar ◽  
Anirban Bhunia ◽  
Anup Kumar Misra
Keyword(s):  
Escherichia Coli ◽  
Cell Wall ◽  
Conformational Analysis ◽  
O Antigen

Sites of Adsorption of the Bacteriophages T3 and T5 on the Wall of Escherichia Coli B.

1967 ◽  
Vol 25 ◽  
pp. 96-97
Author(s):  
Manfred E. Bayer
Keyword(s):  
Escherichia Coli ◽  
Cell Wall ◽  
Electron Microscope ◽  
Uranyl Acetate ◽  
E Coli ◽  
Receptor Sites ◽  
Rigid Cell Wall ◽  
Host Cell Surface ◽  
Bacterial Viruses ◽  
Escherichia Coli B

Bacterial viruses adsorb specifically to receptors on the host cell surface. Although the chemical composition of some of the cell wall receptors for bacteriophages of the T-series has been described and the number of receptor sites has been estimated to be 150 to 300 per E. coli cell, the localization of the sites on the bacterial wall has been unknown.When logarithmically growing cells of E. coli are transferred into a medium containing 20% sucrose, the cells plasmolize: the protoplast shrinks and becomes separated from the somewhat rigid cell wall. When these cells are fixed in 8% Formaldehyde, post-fixed in OsO4/uranyl acetate, embedded in Vestopal W, then cut in an ultramicrotome and observed with the electron microscope, the separation of protoplast and wall becomes clearly visible, (Fig. 1, 2). At a number of locations however, the protoplasmic membrane adheres to the wall even under the considerable pull of the shrinking protoplast. Thus numerous connecting bridges are maintained between protoplast and cell wall. Estimations of the total number of such wall/membrane associations yield a number of about 300 per cell.

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